实验四

 

 

 

 

#include <stdio.h>

#include<math.h>

 

 

int main(int argc, char* argv[])

{

         int a[10],i,j,m;

    printf("请输入10个数字");

         for(i=0;i<=9;i++)

         {

                   scanf("%d",&a[i]);

         }

         for(j=0;j<10;j++)

         {

                   for(i=0;i<9-j;i++)

                   {

                            if(a[i]>a[i+1])

                            {

                                     m=a[i];

                                     a[i]=a[i+1];

                                     a[i+1]=m;

                            }

                   }

         }

         printf("\n");

         for(i=0;i<=9;i++)

         {

                   printf("%d\n",a[i]);

         }

         return 0;

}

 

 

 

 

 

#include <stdio.h>

#include<math.h>

 

 

int main(int argc, char* argv[])

{

         int a[3][3],i,j,sum=0;

         for(i=0;i<3;i++)

         {

                   for(j=0;j<3;j++)

                   {

                            scanf("%d",&a[i][j]);

                   }

         }

         for(i=0;i<3;i++)

         {

                   sum=sum+a[i][i];

         }

         printf("%d",sum);

         return 0;

}

 

 

 

 

 

 

#include <stdio.h>

#include<math.h>

 

 

int main(int argc, char* argv[])

{

         char a[100];

         int i=0,count=0;

         printf("请输入一句话");

         gets(a);

         while(a[i]!='\0')

         {

                   if(a[i]==' ')

                            count++;

                   i++;

         }

         printf("%d",count+1);

         return 0;

}

 

 

#include <stdio.h> #include<math.h>

int main(int argc, char* argv[]) {  int a[101],b,n;     for(b=1;b<=100;b++)  {   a[b]=b;  }  a[1]=0;  for(n=2;n<100;n++)  {   for(b=2;b<n;b++)   {    if(a[n]%b==0)    {     a[n]=0;     break;    }   }  }  for(b=1;b<101;b++)  {   if(a[b]!=0)    printf("%5d",a[b]);  }   return 0;